Supporting Technical Assessments

FINAL 170.00 VN, 20°/ 295°, u, r, Py, trace CA and Mn 171.95 JT, 18°/ 275°, u, r, CA 172.00 JT, 32°/ 155°, u, r, CA 172.90 JT, 80°/ 350°, u, r, CN 173.11 JT, 18°/ -, u, r, CA 173.20 JT, 70°/ 270°, u, r, CA 173.60 JT, 40°/ 0°, u, r, CA 175.00 JT, 30°/ 220°, u, r, CA 175.25 VN, 79°/ 110°, u, r, CA 175.77 JT, 60°/ 170°, u, r, CA 176.14 JT, 65°/ 240°, u, r, CA 176.29 JT, 60°/ 80°, u, r, CA 178.80 JT, 80°/ -, u, r, Py, trace CA 179.00 VN, 11°/ -, u, r, Py 179.45 JT, 30°/ -, u, r, CA WAIPUPU FORMATION Slightly weathered; pale grey; ANDESITE; moderately strong; pyrite disseminated; intense alteration halos around defects (continued from layer starting at 169.6m ) Slightly weathered; grey; porphyritic ANDESITE; strong; pyrite disseminated; non magnetic; frequent randomly orientated calcite veins (2-6 mm) calcite veins with pale grey alteration halos Moderately weathered; pale grey; clay altered ANDESITE; moderately strong; chlorite alteration; pyrite disseminated; hydrothermal brecciation Slightly weathered; grey; porphyritic ANDESITE; strong; pyrite disseminated; non magnetic; frequent randomly orientated calcite veins (2-6 mm) calcite veins with pale grey alteration halos TCR: 100 RQD: 100 TCR: 100 RQD: 97 TCR: 100 RQD: 94 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 TCR: 100 RQD: 100 170.8 176.5 178 PQTT PQTT PQTT PQTT PQTT PQTT PQTT SW MW SW Sample / Test 170 171 172 173 174 175 176 177 178 179 180 20 60 200 600 2000 Estimated Strength (MPa) Defect Spacing (mm) Description (and sub Detail) Visual Defect Result Geological Unit Material Description Number / Type EW VW W MS S VS ES TCR RQD SCR (%) Depth (m) 171 172 173 174 175 176 177 178 179 RL (m) 146 145 144 Graphic Notes and Comments: Refer to explanation sheets for abbreviation and symbols. Ground Water Level Time Date Reading Hole depth (mbgl) (mbgl) Equipment: Rig 85 Orientation: 301° Inclination: -20° End of Hole @ 706.8m Contractor: Alton Drilling Casing Method Commenced: 17/05/2021 Easting: 2762594 Hole No. : WNDD011 Completed: 6/07/2021 Sheet : 18 of 71 Hole Length : 706.8 Project : WKP Exploration Tunnel - Ground Investigations Client : OceanaGold Corporation Job Number: 12533958 Processed : HJ System: NZMG 1949 Northing: 6424371 Checked : JHS Datum: NZVD2016 Logged : HJ Site : Willows Farm, Waihi North, Scale @ A4 : 1:50 Method: SURVEY RL: 205 m Flush Return (%) 25 50 75 Weathering Instrumentation Installation Water level Report ID: ROCKLOG || Project: WNDD011.GPJ || Library: GHD - NZGD.GLB || Date: 30 August 2021

RkJQdWJsaXNoZXIy MjE2NDg3